243268753 has 8 divisors (see below), whose sum is σ = 299407808. Its totient is φ = 192476304.

The previous prime is 243268717. The next prime is 243268771. The reversal of 243268753 is 357862342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243268753 - 2⁹ = 243268241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243268853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336551 + ... + 1336732.

It is an arithmetic number, because the mean of its divisors is an integer number (37425976).

Almost surely, 2^243268753 is an apocalyptic number.

It is an amenable number.

243268753 is a deficient number, since it is larger than the sum of its proper divisors (56139055).

243268753 is a wasteful number, since it uses less digits than its factorization.

243268753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673303.

The product of its digits is 241920, while the sum is 40.

The square root of 243268753 is about 15597.0751424746. The cubic root of 243268753 is about 624.2551151472.

The spelling of 243268753 in words is "two hundred forty-three million, two hundred sixty-eight thousand, seven hundred fifty-three".